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Top Forums UNIX for Beginners Questions & Answers Advise to print lines before and after patterh match and checking and removing duplicate files Post 303046170 by RudiC on Sunday 26th of April 2020 09:38:36 AM
Old 04-26-2020
Looks like /usr/xpg4/bin/grep works as expected; why not try /usr/xpg4/bin/awk, then?


For your other problem:
Remove the .log entry from filesdone upfront, with e.g. sed. Or do so with a "command substitution" when presenting filesdone to grep.

Should I have misunderstood, and you want .log to be excluded from processing: depending on what the shell version you deploy offers, you may want to give extended pattern matching a try. man bash:
Quote:
If the extglob shell option is enabled using the shopt builtin, several extended pattern matching operators are recognized.
Something like $DIR_PATH/alert_${sid}!(.log) might be successful.
 

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basename(1)							   User Commands						       basename(1)

NAME
basename, dirname - deliver portions of path names SYNOPSIS
/usr/bin/basename string [suffix] /usr/xpg4/bin/basename string [suffix] dirname string DESCRIPTION
The basename utility deletes any prefix ending in / and the suffix (if present in string) from string, and prints the result on the stan- dard output. It is normally used inside substitution marks (``) within shell procedures. /usr/bin The suffix is a pattern defined on the expr(1) manual page. /usr/xpg4/bin The suffix is a string with no special significance attached to any of the characters it contains. The dirname utility delivers all but the last level of the path name in string. EXAMPLES
Example 1: Setting environment variables The following example, invoked with the argument /home/sms/personal/mail sets the environment variable NAME to the file named mail and the environment variable MYMAILPATH to the string /home/sms/personal: example% NAME=`basename $HOME/personal/mail` example% MYMAILPATH=`dirname $HOME/personal/mail` Example 2: Compiling a file and moving the output This shell procedure, invoked with the argument /usr/src/bin/cat.c, compiles the named file and moves the output to cat in the current directory: example% cc $1 example% mv a.out `basename $1 .c` ENVIRONMENT VARIABLES
See environ(5) for descriptions of the following environment variables that affect the execution of basename and dirname: LANG, LC_ALL, LC_CTYPE, LC_MESSAGES, and NLSPATH. EXIT STATUS
The following exit values are returned: 0 Successful completion. >0 An error occurred. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: /usr/bin +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ /usr/xpg4/bin +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWxcu4 | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ SEE ALSO
expr(1), basename(3C), attributes(5), environ(5), standards(5) SunOS 5.10 18 Mar 1997 basename(1)
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